期刊
OPTICS AND LASER TECHNOLOGY
卷 129, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2020.106283
关键词
SLM; Residual stress; Modeling; Characterizing; Adjusting
资金
- National Natural Science Foundation of China [11572327]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDA17030100, XDA17030200]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX19_0273]
The undesirable residual stress accumulated in the parts during the melting and solidification of the metal powder layer by layer retards the further application of the selective laser melting (SLM) process. This paper focuses on reviewing the recent illuminating achievements about physical modeling, experimental characterizing, and active adjusting of the residual stress in the parts fabricated by SLM. The advantages and disadvantages of the mainstream and emerging models or approaches are further analyzed. Based on the status and prospect of the relative techniques, a series of conceptual methods are discussed on mitigating residual stress to make some practical inspiration for developing a systematical residual stress balancing technique for SLM.
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